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Related to differential centrifugation: density gradient centrifugation
differential centrifugationa technique in which cell organelles can be separated by centrifuging an homogenate at various speeds, each speed causing sedimentation of a specific cell fraction. The smaller the organelle, the higher the speed required for sedimentation. See DENSITY-GRADIENT CENTRIFUGATION, ULTRACENTRIFUGE, CENTRIFUGATION.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005